404311304131 has 16 divisors (see below), whose sum is σ = 473114603520. Its totient is φ = 338307055200.

The previous prime is 404311304087. The next prime is 404311304143. The reversal of 404311304131 is 131403113404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 404311304131 - 2⁷ = 404311304003 is a prime.

It is a super-2 number, since 2×404311304131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404311304096 and 404311304105.

It is not an unprimeable number, because it can be changed into a prime (404311304191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1451595 + ... + 1707556.

It is an arithmetic number, because the mean of its divisors is an integer number (29569662720).

Almost surely, 2^404311304131 is an apocalyptic number.

404311304131 is a deficient number, since it is larger than the sum of its proper divisors (68803299389).

404311304131 is a wasteful number, since it uses less digits than its factorization.

404311304131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159594.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 404311304131 its reverse (131403113404), we get a palindrome (535714417535).

The spelling of 404311304131 in words is "four hundred four billion, three hundred eleven million, three hundred four thousand, one hundred thirty-one".